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70245400 = 2352595953
BaseRepresentation
bin1000010111111…
…01110000011000
311220011211120111
410023331300120
5120440323100
610545334104
71512035041
oct413756030
9156154514
1070245400
1136719455
121b637334
1311726434
1494878c8
1562786ba
hex42fdc18

70245400 has 48 divisors (see below), whose sum is σ = 166116600. Its totient is φ = 27617280.

The previous prime is 70245391. The next prime is 70245419. The reversal of 70245400 is 454207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8824 + ... + 14776.

Almost surely, 270245400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70245400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83058300).

70245400 is an abundant number, since it is smaller than the sum of its proper divisors (95871200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70245400 is a wasteful number, since it uses less digits than its factorization.

70245400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028 (or 6019 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 70245400 is about 8381.2528896341. The cubic root of 70245400 is about 412.6095699135.

Adding to 70245400 its reverse (454207), we get a palindrome (70699607).

The spelling of 70245400 in words is "seventy million, two hundred forty-five thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 59 100 118 200 236 295 472 590 1180 1475 2360 2950 5900 5953 11800 11906 23812 29765 47624 59530 119060 148825 238120 297650 351227 595300 702454 1190600 1404908 1756135 2809816 3512270 7024540 8780675 14049080 17561350 35122700 70245400